G12 STEM QUIZ BEE ELIMINATION

The brand of Physical Science that deals with the relationship between matter and energy

(a)  

The rate of change of velocity.

(a)  

The product of force and moment arm

(a)  

The process of comparing a known quantity to an unknown quantity.

(a)  

Which of the following is an example of Fundamental Physical Quantities?

• weight

• force

• energy

• time

Which of the following is the electron configuration for sulfur?

• 1s2 2s2 2p4

• 1s2 2s2 2p6 3s2

• 1s2 2s2 2p6 3s2 3p4

• 1s2 2s2 2p6 3s2 3p6 4s2

Which of the following elements has both metallic and nonmetallic properties?

• Ar

• Ge

• Mg

• S

An ionic solid is placed in a beaker of water. Which of the following occurs when there is a strong attraction between the solute and the solvent?

• The solute melts.

• The solute dissolves.

• The solute remains intact.

• The solute reacts to form a precipitate.

Which of the following identifies the number and location of protons in a lithium atom?

• 3 protons, located in the nucleus

• 7 protons, located in the nucleus

• 3 protons, located in an atomic orbital

• 7 protons, located in an atomic orbital

When a sample of a gas is cooled, it condenses into a liquid. In which of the following ways do the molecules of the original gas sample compare with the molecules of the liquid?

• The molecules are larger as a gas than they are as a liquid.

• The molecules weigh less as a gas than they do as a liquid.

• The molecules move faster as a gas than they do as a liquid.

• The molecules are closer together as a gas than they are as a liquid.